Lysimachia radicans


Compan. Bot. Mag. 1: 177. 1836 ,.

Common names: Trailing loosestrife
Synonyms: Nummularia radicans (Hooker) Kuntze Steironema radicans (Hooker) A. Gray
Treatment appears in FNA Volume 8. Treatment on page 316. Mentioned on page 308, 309.

Stems reclining, trailing, or decumbent (sometimes rooting at nodes), simple or branched, 3–10.5 dm, glabrous or sparsely stipitate-glandular; rhizomes ± slender; bulblets absent. Leaves opposite; petiole 0.5–4 cm, ciliate proximally, cilia 0.2–0.9 mm; blade lanceolate to ovate-lanceolate, 2–10 × 0.5–3 cm, base rounded or obtuse to cuneate, decurrent, margins entire, plane, ciliolate (or rarely finely papillate or sometimes eciliolate), apex acute to acuminate, surfaces not punctate, glabrous; venation pinnate-arcuate. Inflorescences axillary, solitary flowers (rarely leafy racemes). Pedicels 1–3 cm, glabrous. Flowers: sepals 5, calyx sparsely or not streaked with resin canals, 2–5 mm, glabrous, lobes lanceolate, margins thin; petals 5, corolla yellow with reddish base, sparsely streaked with scattered dark resin canals (sometimes obscure), rotate, 2–6 mm. lobes with margins entire or erose apically, apex apiculate, stipitate-glandular adaxially; filaments apparently distinct or connate at very base, shorter than corolla; staminodes 0.4–1 mm. Capsules 2.5–5 mm, not punctate, glabrous. 2n = 34.

Phenology: Flowering summer.
Habitat: Cypress and tupelo swamps, flood plains, stream banks, marshes
Elevation: 0-200 m


V8 632-distribution-map.gif

Ala., Ark., Fla., Ill., Ky., La., Md., Miss., Mo., Okla., Tenn., Tex., Va.


Selected References


Lower Taxa

... more about "Lysimachia radicans"
Anita F. Cholewa +
Hooker +
Trailing loosestrife +
Ala. +, Ark. +, Fla. +, Ill. +, Ky. +, La. +, Md. +, Miss. +, Mo. +, Okla. +, Tenn. +, Tex. +  and Va. +
0-200 m +
Cypress and tupelo swamps, flood plains, stream banks, marshes +
Flowering summer. +
Compan. Bot. Mag. +
Nummularia radicans +  and Steironema radicans +
Lysimachia radicans +
Lysimachia +
species +